To do this, you use the PuTTYgen utility. Select your private key that ends in .ppk and click Open. puttygen server1.ppk -O private-openssh -o server1.pem Step 3 – Change the .pem file permissions. Now, lets set the pem file to have the proper permissions: # chmod 400 awsprivatekey.pem Access AWS Server. Windows 10. Click Load. If on the other hand you'd like to convert a .pem to .ppk file via the command line tool puttygen, I did come across this solution on SO in this Q&A titled: How to convert SSH keypairs generated using PuttyGen(Windows) into key-pairs used by ssh-agent and KeyChain(Linux). 1) The first step is download puttygen.exe from here onto a Windows machine. Whenever we create an AWS EC2 machine and want to access it by putty from a windows laptop or desktop. Another option is to convert the ppk format to an OpenSSH format using the PuTTygen program: Run the puTTygen program. We can also only download PuTTYgen from same download page. This video shows how to convert a .ppk (Putty) RSA private key to a base64/pem private key. Click the Conversions menu option. We will use puttygen to generate the key. Connect Using PuTTY. Convert a .pem File to a .ppk File. ; 3. In this article, we will see how we can convert pem to ppk easily with few clicks. PuTTYgen is included in the WinSCP installation package. Under Actions, choose Load, and then navigate to your .ppk file. Convert a .ppk private key (Putty) to a base64/pem private key for OpenSSH or OpenSSL. Now file.pem is converted! You can simply convert your key like this: puttygen mykey.pem -o mykey.ppk. Select the option ‘RSA (Rivest–Shamir–Adleman). Step 2. $ sudo puttygen pemKey.pem -o ppkKey.ppk -O private. To generate the pem file run the following command: # puttygen awsprivatekey.ppk -O private-openssh -o awsprivatekey.pem Set Pemission. excerpt $ puttygen keyfile.pem -O private -o avdev.ppk For the public key: $ sudo puttygen pemKey.pem -o ppkKey.ppk -O private Here I have AWS key .pem , to connect with putty in windows we need the .ppk format ,so here i have to convert AWS .pem key to putty .ppk key ,in simple have to convert .pem to .ppk. You can convert a base64/pem key, used by OpenSSL, or OpenSSH, to the Putty PPK format. Steps to convert a .ppk file to a .pem file. PuTTY does not natively support the private key format (.pem), hence the private key should be converted to .ppk format. How convert AWS .pem key to putty .ppk key for that we have lots of software available, here am going to show with the help of PuTTYgen PuTTYgen. prerequisites to generate ppk key see type of key to generate like RSA, DSA, ECDSA, ED25519, SHA-1(RSA) load an existing private key file click on load and select all files then only you Step 1: Downloading PuTTY. Generate the key. 2. Name the privateKey.ppk file and save as type .ppk (PuTTY Private Key Files), by entering the .ppk extension. Important: You may follow this tutorial if you are using PuTTY as your SSH client. Filezilla/Puttygen doesn't recognize private key file, To convert pem key to ppk file we use puttygen. If you are using Windows 10, you have to go ahead and download and install PuTTYgen.. To convert a .pem File to a .ppk File, start PuTTYgen and select RSA on the Type of key to generate field.. Next, click on Load. PuTTYgen will open “Load private key:” dialog. First, you need to download this utility called PuTTYgen. Then run the PuTTYgen command and type the below command. First of all Click on Start menu then > All Programs then > PuTTY then > PuTTYgen. There is no need to install it, simply save it in a location where it can be located easily. It always worked well and I had no problems with using PuTTYgen. PuTTY does not natively support the PEM format that AWS uses, so you need to first convert your PEM file to a PPK file (PPK = PuTTY Private Key). The conversion requires OpenSSL, OpenSSH, and Putty. PuTTY cannot consume this key file as-is. We need to convert our pem key to ppk key so that putty can use that private key and allow it … Installing the key is equivalent to copying it in your ~/.ssh directory. PuTTYgen tool is used to generate the new key file(s) or convert the key file(s) to PPK – PuTTY’s own format. This will display “PuTTY Key Generator” window. Install the key. 1,603 12 12 silver badges 11 11 bronze badges. I guess I'm wonder why do they give command options? 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